Home / 981,994.08-1,465,822.20-842,648.16

Finding the Fourth Proportional to 981,994.08, 1,465,822.20 and 842,648.16

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Solution

The fourth proportional to 981,994.08, 1,465,822.20 and 842,648.16 is: 1,257,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,994.08 : 1,465,822.20 = 842,648.16 : x
  2. Step 2: Convert to fraction form
    981,994.08/1,465,822.20 = 842,648.16/x
  3. Step 3: Cross multiply
    981,994.08x = 1,465,822.20 × 842,648.16
  4. Step 4: Simplify right side
    981,994.08x = 1,235,172,379,717.15
  5. Step 5: Solve for x
    x = 1,235,172,379,717.15/981,994.08
  6. Step 6: Final answer
    x = 1,257,820.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.